Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 36/54 and 30/21

1st number: 36/54, 2nd number: 1 9/21

36/54 + 30/21 is 44/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 21 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    36/54 = 36 × 7/54 × 7 = 252/378
  3. Likewise, for the 2nd fraction, since 21 × 18 = 378,
    30/21 = 30 × 18/21 × 18 = 540/378
  4. Add the two like fractions:
    252/378 + 540/378 = 252 + 540/378 = 792/378
  5. 792/378 simplified gives 44/21
  6. So, 36/54 + 30/21 = 44/21
    In mixed form: 22/21

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com